<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="姓名" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入姓名" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="年龄" prop="age">
        <el-input v-model="queryParams.age" placeholder="请输入年龄" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="性别:(0男1女2)" prop="gender">
        <el-input v-model="queryParams.gender" placeholder="请输入性别:(0男1女2)" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="创建者" prop="creator">
        <el-input v-model="queryParams.creator" placeholder="请输入创建者" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          v-hasPermi="['student:student:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['student:student:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['student:student:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['student:student:export']">导出</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="info" icon="el-icon-upload2" size="mini" @click="handleImport"
          v-hasPermi="['student:student:import']">导入</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="studentList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
      <el-table-column label="姓名" align="center" prop="name" />
      <el-table-column label="年龄" align="center" prop="age" />
      <el-table-column label="性别:(0男1女2)" align="center" prop="gender" />
      <el-table-column label="创建者" align="center" prop="creator" />
      <el-table-column label="0无效1有效" align="center" prop="status" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['student:student:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['student:student:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum" v-model:limit="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改学生管理对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="studentRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="姓名" prop="name">
          <el-input v-model="form.name" placeholder="请输入姓名" />
        </el-form-item>
        <el-form-item label="年龄" prop="age">
          <el-input v-model="form.age" placeholder="请输入年龄" />
        </el-form-item>
        <el-form-item label="性别:(0男1女2)" prop="gender">
          <el-input v-model="form.gender" placeholder="请输入性别:(0男1女2)" />
        </el-form-item>
        <el-form-item label="创建者" prop="creator">
          <el-input v-model="form.creator" placeholder="请输入创建者" />
        </el-form-item>
        <el-form-item label="0已删除1未删除" prop="delFlag">
          <el-input v-model="form.delFlag" placeholder="请输入0已删除1未删除" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 学生导入对话框 -->
    <!-- <el-dialog :title="upload.title" v-model="upload.open" width="400px">
      <el-upload
        ref="uploadRef"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">
          将文件拖到此处，或
          <em>点击上传</em>
        </div>
        <div class="el-upload__tip" slot="tip">
          <el-checkbox v-model="upload.updateSupport">是否更新已经存在的学生数据</el-checkbox>
          <el-link type="info" style="font-size:12px" @click="importTemplate">下载模板</el-link>
        </div>
        <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“xls”或“xlsx”格式文件！</div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog> -->
    <!-- 学生导入对话框 -->
    <el-dialog :title="upload.title" v-model="upload.open" width="400px" append-to-body>
      <el-upload ref="uploadRef" :limit="1" accept=".xlsx, .xls" :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport" :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress" :on-success="handleFileSuccess" :auto-upload="false" drag>
        <el-icon class="el-icon--upload"><upload-filled /></el-icon>
        <div class="el-upload__text">
          将文件拖到此处，或<em>点击上传</em>
        </div>
        <template #tip>
          <div class="el-upload__tip text-center">
            <div class="el-upload__tip">
              <el-checkbox v-model="upload.updateSupport">是否更新已经存在的学生数据</el-checkbox>
            </div>
            <br />
            <span style="color:red">提示：仅允许导入“xls”或“xlsx”格式文件！</span>
            <el-link type="primary" :underline="false" style="font-size: 12px; vertical-align: baseline"
              @click="importTemplate">下载模板</el-link>
            <br />
            
          </div>
        </template>
      </el-upload>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitFileForm">确 定</el-button>
          <el-button @click="upload.open = false">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Student">
import { listStudent, getStudent, delStudent, addStudent, updateStudent, importStudent } from "@/api/student/student";
import { getToken } from "@/utils/auth";
const { proxy } = getCurrentInstance();

const studentList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");


const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    name: null,
    age: null,
    gender: null,
    creator: null,
    status: null,
  },
  rules: {
    name: [
      { required: true, message: "姓名不能为空", trigger: "blur" }
    ],
  },
  // upload: {
  //   open: false,
  //   title: "",
  //   isUploading: false,
  //   updateSupport: 0,
  //   headers: { Authorization: "Bearer " + getToken() },
  //   // url: process.env.VUE_APP_BASE_API + "/student/importData"
  //   url: "/student/importData"
  // }
});

const upload = ref({
  open: false,
  title: "",
  isUploading: false,
  updateSupport: 0,
  headers: { Authorization: "Bearer " + getToken() },
  url: import.meta.env.VITE_APP_BASE_API + "/student/student/importData"
});
// 使用 ref 定义 el-upload 组件的 ref
const uploadRef = ref(null);

const { queryParams, form, rules } = toRefs(data);


/** 导入按钮操作 */
function handleImport() {
  upload.value.title = "学生导入";
  upload.value.open = true;

}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('student/student/export', {
    ...queryParams.value
  }, `student_${new Date().getTime()}.xlsx`)
}

/** 下载模板操作 */
function importTemplate() {
  proxy.download('/student/student/importTemplate', {}, `student_template${new Date().getTime()}.xlsx`);
}

// 文件上传中处理
function handleFileUploadProgress(event, file, fileList) {
  upload.value.isUploading = true;
}

// 文件上传成功处理
function handleFileSuccess(response, file, fileList) {
  upload.value.open = false;
  upload.value.isUploading = false;
  proxy.$refs.uploadRef.clearFiles();
  proxy.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
  getList();
}

// 提交上传文件
function submitFileForm() {
  // proxy.$refs.upload.submit();
  if (uploadRef.value) {
    uploadRef.value.submit();
    console.log('Submit file form');
    // 提交成功后再关闭对话框
    upload.value.open = false; // 只在需要的时候关闭
  }
}

/** 查询学生管理列表 */
function getList() {
  loading.value = true;
  listStudent(queryParams.value).then(response => {
    studentList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    name: null,
    age: null,
    gender: null,
    creator: null,
    createTime: null,
    status: null,
    delFlag: null
  };
  proxy.resetForm("studentRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加学生管理";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value
  getStudent(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改学生管理";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["studentRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateStudent(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addStudent(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除学生管理编号为"' + _ids + '"的数据项？').then(function () {
    return delStudent(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => { });
}




getList();
</script>
